picard/picard/views/tax.py

149 lines
5.2 KiB
Python

import json
__author__ = 'tanshu'
from decimal import Decimal
import uuid
import pkg_resources
from pyramid.response import Response, FileResponse
from pyramid.security import authenticated_userid
from pyramid.view import view_config
import transaction
from .. import groupfinder
from ..models import DBSession
from ..models.master import Tax
from ..models.validation_exception import TryCatchFunction, ValidationError
@view_config(route_name='tax_list', permission='Authenticated')
@view_config(request_method='GET', route_name='tax_id', permission='Taxes')
@view_config(request_method='GET', route_name='tax', permission='Taxes')
def html(request):
package, resource = 'picard:static/base.html'.split(':', 1)
icon = pkg_resources.resource_filename(package, resource)
return FileResponse(icon, request=request)
@view_config(request_method='POST', route_name='api_tax', renderer='json', permission='Taxes')
@TryCatchFunction
def save(request):
name = request.json_body.get('Name', '').strip()
if name == '':
raise ValidationError('Validation', 'Name cannot be blank')
rate = round(Decimal(request.json_body.get('Rate', 0)) / 100, 5)
item = Tax(name, rate)
DBSession.add(item)
transaction.commit()
return tax_info(item.id)
@view_config(request_method='POST', route_name='api_tax_id', renderer='json', permission='Taxes')
@TryCatchFunction
def update(request):
item = Tax.by_id(uuid.UUID(request.matchdict['id']))
if item.is_fixture:
raise ValidationError('Fixture', "{0} cannot be edited or deleted.".format(item.name))
name = request.json_body.get('Name', '').strip()
if name == '':
raise ValidationError('Validation', 'Name cannot be blank')
rate = round(Decimal(request.json_body.get('Rate', 0)) / 100, 5)
item.name = name
item.rate = rate
transaction.commit()
return tax_info(item.id)
@view_config(request_method='DELETE', route_name='api_tax_id', renderer='json', permission='Taxes')
@TryCatchFunction
def delete(request):
tax = Tax.by_id(uuid.UUID(request.matchdict['id']))
can_delete, reason = tax.can_delete('Advanced Delete' in groupfinder(authenticated_userid(request), request))
if can_delete:
delete_with_data(tax)
transaction.commit()
return tax_info(None)
else:
transaction.abort()
response = Response(json.dumps(reason))
response.status_int = 500
return response
@view_config(request_method='GET', route_name='api_tax_id', renderer='json', permission='Taxes')
def show_id(request):
return tax_info(uuid.UUID(request.matchdict.get('id', None)))
@view_config(request_method='GET', route_name='api_tax', renderer='json', permission='Taxes')
def show_blank(request):
return tax_info(None)
@view_config(request_method='GET', route_name='api_tax', request_param='l', renderer='json',
permission='Authenticated')
def show_list(request):
list = DBSession.query(Tax).order_by(Tax.name).all()
taxes = []
for item in list:
taxes.append({'Name': item.name, 'Rate': item.rate * 100, 'IsFixture': item.is_fixture,
'Url': request.route_url('tax_id', id=item.id)})
return taxes
@view_config(request_method='GET', route_name='api_tax', request_param='s', renderer='json',
permission='Authenticated')
def show_small(request):
list = DBSession.query(Tax).order_by(Tax.name).all()
taxes = []
for item in list:
taxes.append({'TaxID': item.id, 'Name': item.name, 'Rate': item.rate * 100})
return taxes
def tax_info(id):
if id is None:
tax = {}
else:
tax = Tax.by_id(id)
tax = {'TaxID': tax.id, 'Name': tax.name, 'Rate': tax.rate * 100, 'IsFixture': tax.is_fixture}
return tax
def delete_with_data(tax):
#suspense_product = Product.by_id(Product.suspense())
#suspense_batch = Batch.by_id(Batch.suspense())
#query = Voucher.query().options(joinedload_all(Voucher.inventories, Inventory.product, innerjoin=True)) \
# .filter(Voucher.inventories.any(Inventory.product_id == tax.id)) \
# .all()
#
#for voucher in query:
# others, sus_inv, prod_inv = False, None, None
# for inventory in voucher.inventories:
# if inventory.product_id == tax.id:
# prod_inv = inventory
# elif inventory.product_id == Product.suspense():
# sus_inv = inventory
# else:
# others = True
# if not others and voucher.type == VoucherType.by_id('Issue'):
# DBSession.delete(voucher)
# else:
# if sus_inv is None:
# prod_inv.product = suspense_product
# prod_inv.quantity = prod_inv.amount
# prod_inv.rate = 1
# prod_inv.tax = 0
# prod_inv.discount = 0
# prod_inv.batch = suspense_batch
# voucher.narration += '\nSuspense \u20B9{0:,.2f} is {1}'.format(prod_inv.amount, tax.name)
# else:
# sus_inv.quantity += prod_inv.amount
# DBSession.delete(prod_inv)
# voucher.narration += '\nDeleted \u20B9{0:,.2f} of {1}'.format(prod_inv.amount, tax.name)
#for batch in tax.batches:
# DBSession.delete(batch)
DBSession.delete(tax)